.main {
  max-width: 1280px;
  min-width: 1000px;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  padding-top: 50px;
  padding-bottom: 50px;
  background-image: url("../img/bg.jpg");
  background-repeat: no-repeat;
  background-size: cover; }
  .main .menu {
    width: 50%;
    height: 100%;
    margin: 0 auto;
    padding: 50px;
    background-color: rgba(255, 255, 255, 0.2); }
    .main .menu .title {
      text-align: center;
      font-size: 36px;
      margin-bottom: 20px;
      color: #dddddd; }
    .main .menu .btn_area .btn {
      display: block;
      font-size: 24px;
      margin: 8px auto;
      max-width: 150px;
      background-color: rgba(0, 0, 0, 0.2);
      color: #dddddd; }
      .main .menu .btn_area .btn:hover {
        background-color: rgba(255, 255, 255, 0.1); }

a {
  outline: none; }
  a:hover {
    text-decoration: none; }
